AISI 430F (S43020) Stainless Steel

Ferritic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength540MPa

Yield Strength310MPa

Brinell Hardness230HB

Maximum Service Temperature870°C

Weight Calculator

Chemical Composition

0 to 0.12%

16 to 18%

0 to 1.3%

0 to 1.0%

0 to 0.060%

0.15 to 0.35%

79.2 to 83.9%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

23 %

Fatigue Strength

210 MPa

Poisson's Ratio

0.28

Reduction in Area

50 %

Shear Modulus

77 GPa

Shear Strength

340 MPa

Tensile Strength: Ultimate (UTS)

540 MPa

Tensile Strength: Yield (Proof)

310 MPa

Hardness

Brinell Hardness

230

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

410 °C

Maximum Temperature: Mechanical

870 °C

Melting Completion (Liquidus)

1430 °C

Melting Onset (Solidus)

1390 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

25 W/m-K

Thermal Diffusivity

6.7 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

19 points

Electrical

Electrical Conductivity: Equal Volume

2.8 % IACS

Electrical Conductivity: Equal Weight (Specific)

3.3 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m 3

Resilience: Unit (Modulus of Resilience)

250 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

20 points

Strength to Weight: Bending

19 points

Environmental

Base Metal Price

8.5 % relative

Embodied Carbon

2.1 kg CO 2 /kg material

Embodied Energy

29 MJ/kg

Embodied Energy

29 MJ/kg 13 x 10 3 BTU/lb

Embodied Water

120 L/kg

Embodied Water

120 L/kg 14 gal/lb

Registered Designations & Aliases

430FAISI 430FAISI 430F (S43020) Stainless SteelS43020

Standards

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings

ASTM A895 ASTM A895: Standard Specification for Free-Machining Stainless Steel Plate, Sheet, and Strip

ASTM A895 ASTM A895: Standard Specification for Free-Machining Stainless Steel Plate, Sheet, and Strip ASTM A473: Standard Specification for Stainless Steel Forgings Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Corrosion of Stainless Steels, A. John Sedriks, 1996

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels